SIEMENS BROTHERS No. Q3561 | |||||||
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TELEPHONES, CENTRAL BATTERY WALL TELEPHONES IN METAL CASES Q3561
9.25" x 8" x 5" / 238mm x 203mm x 124mm
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Last revised: February 26, 2022 FM2 |
SIEMENS BROTHERS No. Q3561 | |||||||
|
TELEPHONES, CENTRAL BATTERY WALL TELEPHONES IN METAL CASES Q3561
9.25" x 8" x 5" / 238mm x 203mm x 124mm
|
|||||||
Last revised: February 26, 2022 FM2 |
Wall
pattern, in black enamelled metal case, other external parts oxidised copper
finish or nickel-plated, comprising solid back transmitter with adjustable
knuckle joint, 1000ohm double gong polarised bell, removable automatic
switch-hook, induction coil, condenser, and double pole "Bell" receiver in solid
drawn brass case (ebonite coated)